908 resultados para TCP connection
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Vol. I translated by S. Taylor and J.E. Ryland, vol. II by J.E. Ryland and M.G. Huxtable, vol. III by R.E. Wallis and S. Manson and vol. IV by S. Manson and Robert Smith.
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"Bibliography of memoirs relating to algebraic continued fractions": p. 167-187.
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Fundamental existence theorems, by G. A. Bliss.--Differential-geometric aspects of dynamics, by E. Kasner.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Until recently, fetoscopic laser surgery to seal the placental anastomoses that cause severe twin-to-twin transfusion syndrome has been available in only a few centres worldwide. The technique typically takes a long time to learn. We have used a dedicated Internet Protocol (IP) connection for tele-education to assist the introduction of fetoscopic laser surgery to Australia. During the implementation of the international telemedicine link, there were multiple clinical and technical problems, which were eventually overcome. The quality of images and of video-sequences was comparable to that supported by an ISDN connection. Pictures of live surgery performed by an expert in Florida, USA, were transmitted and viewed by a novice team in Brisbane, Australia. The Australian team has performed 19 fetoscopic laser operations to date. Preliminary results are comparable to those from centres that have performed over 100 procedures.
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New residential scale photovoltaic (PV) arrays are commonly connected to the grid by a single dc-ac inverter connected to a series string of pv panels, or many small dc-ac inverters which connect one or two panels directly to the ac grid. This paper proposes an alternative topology of nonisolated per-panel dc-dc converters connected in series to create a high voltage string connected to a simplified dc-ac inverter. This offers the advantages of a converter-per-panel approach without the cost or efficiency penalties of individual dc-ac grid connected inverters. Buck, boost, buck-boost, and Cuk converters are considered as possible dc-dc converters that can be cascaded. Matlab simulations are used to compare the efficiency of each topology as well as evaluating the benefits of increasing cost and complexity. The buck and then boost converters are shown to be the most efficient topologies for a given cost, with the buck best suited for long strings and the boost for short strings. While flexible in voltage ranges, buck-boost, and Cuk converters are always at an efficiency or alternatively cost disadvantage.
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This paper is aimed at establishing a particular chronological priority issue in the convoluted history of artificial cornea. According to existing records, the first keratoprosthesis made from polyurethane was developed by Caldwell and Jacob-Labarre in the late 1980s. This paper demonstrates that in fact the first polyurethane keratoprosthesis was proposed and designed in 1985 by Lawrence Hirst, an Australian ophthalmologist then working in St Louis, USA. The first prototype was manufactured in January 1986 by Thermedics Inc according to Dr Hirst's instructions from Tecoflex, a transparent polyurethane developed by the same company. This keratoprosthesis, which also had a porous skirt, was inserted intralamellarly in a monkey cornea and followed up clinically for about 3 months. There were no significant postoperative complications, and the histology of the explant indicated proper biointegration of the prosthetic skirt within the host stromal tissue. Because of a delay in the manufacture of further prototypes and to Dr Hirst's decision to return to Australia, the project was eventually abandoned. As no report was published on this development, the present paper is entirely based on original documents held in Dr Hirst's archives.
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Intangible cultural heritage, according to a UNESCO definition, is 'the practices, representations, expressions as well as the knowledge and skills that communities, groups and in some cases individuals recognise as part of their cultural heritage'. Using a case study of Shirakami-sanchi World Heritage Area, this paper illustrates how the local community's conservation commitment was formed through their long-term everyday interactions with nature. Such connectivity is vital to maintaining the authentic integrity of a place that does not exclude humans. An examination of the formation of the community's conservation commitment for Shirakami reveals that it is the community's spiritual connection and place-based identity that have supported conservation, leading to the World Heritage nomination, and it is argued that the recognition of such intangible cultural heritage is vital in conservation. The challenge, then, is how to communicate such spiritual heritage today. Forms of community involvement are discussed in an attempt to answer this question.